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HomeShopTransmission CoolersMishimoto 15-16 GM 6.6L Duramax LML Transmission Cooler – Silver
Sale
Mishimoto 15-16 GM 6.6L Duramax LML Transmission Cooler - Silver
Mishimoto 15-16 GM 6.6L Duramax LML Transmission Cooler - Silver - Image 2
Mishimoto 15-16 GM 6.6L Duramax LML Transmission Cooler - Silver - Image 3
Mishimoto 15-16 GM 6.6L Duramax LML Transmission Cooler - Silver - Image 4
Mishimoto 15-16 GM 6.6L Duramax LML Transmission Cooler - Silver - Image 5
Mishimoto 15-16 GM 6.6L Duramax LML Transmission Cooler - Silver - Image 6
Mishimoto 15-16 GM 6.6L Duramax LML Transmission Cooler - Silver - Image 7

Mishimoto 15-16 GM 6.6L Duramax LML Transmission Cooler – Silver

SKU: MMTC-DMAX-15SL

Original price was: $550.00.Current price is: $499.95.

In stock

5 in stock

There’s no greater enemy for a transmission than heat. Whether your 2015-2016 Chevy/GMC 6.6L LML Duramax is a dedicated tow vehicle, hardworking fleet truck, or a daily driver with a liking for the drag strip, you need to ensure that your transmission runs cool.Luckily, Mishimoto has developed a direct-fit transmission cooler to do just that. Our 2015-2016 Chevy/GMC 6.6L LML Duramax transmission cooler utilizes a stacked-plate design for maximum durability and powerful cooling. Aside from its durable construction, this transmission cooler is significantly larger than the stock core. The Mishimoto transmission cooler boasts a 67-percent greater core volume, and 164-percent greater fin surface area than the stock 2015-2016 LML Duramax transmission cooler.The included CNC-machined adapters connect directly to the stock transmission cooler lines for leak-free cooling. Direct-fit brackets and tailor-made hoses make installation easy. Like all Mishimoto products, this transmission cooler is backed up by our Lifetime Warranty with Accident Protection for worry-free cooling as long as you own it.
  • CNC-machined adapters make it easy to connect Mishimoto cooler to stock fluid lines or AN lines
  • Direct-fit for all 2015-2016 Chevrolet/GMC with Allison transmission (LML)
  • Stacked-plate construction for maximum durability and superior cooling
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Description

Ensuring your transmission stays cool under heavy load or demanding driving conditions is essential for maintaining optimal performance and longevity. The Mishimoto 15-16 GM 6.6L Duramax LML Transmission Cooler is specifically designed for 2015-2016 Chevrolet Silverado and GMC Sierra trucks equipped with the Allison transmission, providing a reliable cooling solution for your vehicle. This direct-fit cooler features a stacked-plate design that offers maximum durability and superior heat dissipation, significantly reducing the risk of overheating during towing, heavy hauling, or spirited driving. Its larger core volume and increased fin surface area—67% and 164% greater than the stock cooler—allow for more efficient heat exchange, keeping transmission temperatures within safe operating ranges. The included CNC-machined adapters connect seamlessly to stock transmission lines, ensuring a leak-free installation that maintains factory reliability. Custom brackets and hoses are also provided for straightforward setup, making it easier for enthusiasts and professionals to upgrade their cooling system without extensive modifications. As a Mishimoto product, this transmission cooler is backed by a lifetime warranty with accident protection, giving you peace of mind that your vehicle’s transmission cooling needs are covered for years to come. Whether used for daily driving, towing, or racing, this cooler ensures your transmission remains at an optimal temperature, enhancing performance and extending component lifespan. Designed specifically for the 2015-2016 GM 6.6L Duramax LML models, this cooler is an essential upgrade for drivers seeking reliable, high-capacity cooling for heavy-duty applications and high-performance driving scenarios.

Features:

  • CNC-machined adapters for easy connection to stock or AN fluid lines
  • Direct-fit installation for 2015-2016 Chevrolet Silverado and GMC Sierra with Allison transmission (LML)
  • Stacked-plate construction offers maximum durability and superior cooling efficiency

Fitment:
Chevrolet Silverado 2500 HD High Country 2015
Chevrolet Silverado 2500 HD High Country 2016
Chevrolet Silverado 2500 HD LT 2015
Chevrolet Silverado 2500 HD LT 2016
Chevrolet Silverado 2500 HD LTZ 2015
Chevrolet Silverado 2500 HD LTZ 2016
Chevrolet Silverado 2500 HD WT 2015
Chevrolet Silverado 2500 HD WT 2016
Chevrolet Silverado 3500 HD High Country 2015
Chevrolet Silverado 3500 HD High Country 2016
Chevrolet Silverado 3500 HD LT 2015
Chevrolet Silverado 3500 HD LT 2016
Chevrolet Silverado 3500 HD LTZ 2015
Chevrolet Silverado 3500 HD LTZ 2016
Chevrolet Silverado 3500 HD WT 2015
Chevrolet Silverado 3500 HD WT 2016
GMC Sierra 2500 HD Base 2015
GMC Sierra 2500 HD Base 2016
GMC Sierra 2500 HD Denali 2015
GMC Sierra 2500 HD Denali 2016
GMC Sierra 2500 HD SLE 2015
GMC Sierra 2500 HD SLE 2016
GMC Sierra 2500 HD SLT 2015
GMC Sierra 2500 HD SLT 2016
GMC Sierra 3500 HD Base 2015
GMC Sierra 3500 HD Base 2016
GMC Sierra 3500 HD Denali 2015
GMC Sierra 3500 HD Denali 2016
GMC Sierra 3500 HD SLE 2015
GMC Sierra 3500 HD SLE 2016
GMC Sierra 3500 HD SLT 2015
GMC Sierra 3500 HD SLT 2016

Additional information

Weight 9.8 lbs
Dimensions 34.9 × 11 × 4.5 in
air_freight_prohibited

false
not_carb_approved

false
ltl_freight_required

false
prop_65

Y
part_type

automotive
epa

N/A
carb_acknowledgement_required

false
regular_stock

t
upc

840197700778
brand

Mishimoto
part_number

MMTC-DMAX-15SL

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